Procedure What It Does

Back Moves turtle backward by the given distance ClearScreen Clears the active window and homes turtle Forwd Moves turtle forward by the given distance HideTurtle Hides turtle Home Puts turtle in its home position NoWrap Disables "wrapping" for turtle PenDown Puts turtle's pen "down" so that any movement of turtle results in drawing PenUp Puts turtle's pen "up" so that turtle can be moved without drawing SetHeading Turns turtle to the specified angle SetPenColor Sets the color used for turtle's pen SetPosition Moves turtle to the given coordinates without drawing a line ShowTurtle Makes turtle visible TurnLeft Turns turtle's heading to the left (counter-clockwise) TurnRight Turns turtle's heading to the right (clockwise) TurtleDelay Sets a delay between each step of turtle TurtleWindow Defines an area of the screen as the active turtlegraphics screen Wrap Forces wraparound when turtle attempts to move past the boundaries of the active window

Function What It Does

Heading Returns the current heading of turtle TurtleThere Tests if turtle is visible and in the active window XCor Returns the current X-coordinate of turtle YCor Returns the current Y-coordinate of turtle